California Swing Affair

Recording by Knowsum.

Recording identifiers

ISRC
DEZ651713727
CopyrightID (CopyrightChains transaction hash)
0xb14b952345758cd9f60e22dde50be789d0f376937dd1d5ba4215cc9c0c123bc1
Copyright registration time
2026-07-07T21:02:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:773182e096488003d42a07b47d9cdc3782dfd80f70c400c81d3d7da108bdc415

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.